Water Quality Quiz

What are the physical indicators of water system health?

• Turbidity, Nitrates, Salinity, Fish

• Fish, Algae, Insects, Plants

• Temperature, pH, Nitrates, Salinity

• Turbidity, Water Movement, Dissolved oxygen, pH

What does high turbidity in water indicate?

• Impairment of aquatic organisms

• Healthy enough to drink

• Low salinity

• Increased temperatures and decreased DO

Tags

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How does the pH of water affect the impact of materials like iron and ammonia?

• It can make materials more dangerous in more acidic water

• It can make materials less dangerous in more basic water

• It has no effect on the impact of materials

• It only affects the impact of mercury

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NGSS.HS-ESS2-5

What are the sources of nitrates in drinking water?

• Septic tank leaks, Human and animal waste, Cleaning and industrial waste

• Septic tank leaks, Laundry, Cleaning and industrial waste

• Runoff contaminated with fertilizers, Sewage, Human and animal waste

• Runoff contaminated with fertilizers, Sewage, Laundry

Tags

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What is the measure of salt in water known as?

• Salinity

• Dissolved oxygen

• pH level

• Turbidity

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What are biological indicators used to measure in a water system?

• Presence and numbers of aquatic organisms

• Salinity and dissolved oxygen

• pH level and nitrates

• Temperature and turbidity

What is the purpose of the Environmental Protection Agency (EPA)?

• To monitor wildlife conservation

• To set maximum amounts of pollutants in the air

• To test for pollutants and chemicals in the water

• To establish regulations on putting pollutants into the air

When was the Clean Water Act established?

• 1990

• 1980

• 1960

• 1970

What is the main concern regarding freshwater?

• It is not a major concern for wildlife

• It is not used for drinking or bathing

• It is not important for the environment

• It is the source of water for humans and animals

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What is the effect of increased temperature on dissolved oxygen in water?

• It dissolves more oxygen

• It dissolves less oxygen

• It has no effect on dissolved oxygen

• It increases the pH level

Tags

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